The simulation of one processor on another is an important part of processor development because simulation is the way in witch a designer can verify and validate processor's instruction set, its micro-architecture or program, which will be executed on this processor. But a simple simulation is not sufficient in cases where the developer wants to optimize an executed program or processor's parts. For this purpose a profiler is used. The profiler is a tool tracing processor activities, so it provides the information about utilization of particular parts. In this paper a technique creating a profiler from a processor description in an architecture description language is proposed.